MathDB
Problems
Contests
International Contests
Balkan MO
2009 Balkan MO
1
Equation in naturals
Equation in naturals
Source: BMO 2009 Problem 1
April 30, 2009
number theory
Balkan Mathematics Olympiad
Problem Statement
Solve the equation 3^x \minus{} 5^y \equal{} z^2. in positive integers.Greece
Back to Problems
View on AoPS